Second complete map of a fruit fly brain completed
Researchers have mapped 166,700 fruit fly neurons through MaleCNS, advancing artificial intelligence and connectome simulation capabilities. This digital mapping effort expands upon previous scientific work on insect neural architecture, moving toward active behavioral simulation of animal movement and social displays. The system provides developers with a detailed connectome to simulate complex biological functions. Understanding how neural circuits coordinate wings and legs helps explain the mechanics of locomotion across species, offering insights into both natural biology and artificial intelligence models.
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- ✓ MaleCNS maps 166,700 fruit fly neurons.
What changed
MaleCNS maps 166,700 fruit fly neurons, building upon previous digital emulations of the insect brain.
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MaleCNS Maps 166700 Fruit Fly Neurons
Researchers have mapped 166,700 fruit fly neurons through MaleCNS, advancing artificial intelligence and connectome simulation capabilities. This digital mapping effort expands upon previous scientific work on insect neural architecture, moving toward active behavioral simulation of animal movement and social displays. The system provides developers with a detailed connectome to simulate complex biological functions. Understanding how neural circuits coordinate wings and legs helps explain the mechanics of locomotion across species, offering insights into both natural biology and artificial intelligence models.
Why it matters
Limbs evolved as basic tools for locomotion to find food, escape predators, or locate mates. Across the animal kingdom, these same appendages are later repurposed for complex social displays and tool use. Mapping the neural circuits that control these movements is a central challenge in neuroscience.
What is confirmed
- MaleCNS maps 166,700 fruit fly neurons.
What to watch next
- Further developer simulations and viral demos of MaleCNS
- Additional research into how brain circuits coordinate wing and leg movements
confidence 100%Sources used for this update (7)
- www.michigandaily.com — The Statement - The Michigan Daily
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- Phys.org — Two brain circuits coordinate fruit flies' wing and leg ...
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Eon Systems Digitally Uploads Fruit Fly Brain Connectome
Eon Systems has achieved the first embodied emulation of a fruit fly brain, digitally uploading a connectome of 140,000 neurons and 50 million connections. The simulation allows a virtual body to naturally perform grooming, feeding, and walking with 95% accuracy without using machine learning. This development builds on FlyWire and Nature technical foundations to create a functional digital replica of the insect's neural architecture, moving beyond static mapping toward active behavioral simulation.
Why it matters
Previous research established the physical map of the adult male fruit fly brain, including 166,700 neurons and 125 million synapses. Understanding these circuits helps scientists explain how short-term memories are stabilized via split attractor networks. This shift to digital emulation provides a roadmap for potential human brain emulation and disease research.
What is confirmed
- Eon Systems digitally uploaded a fruit fly connectome consisting of 140,000 neurons and 50 million connections.
- The simulation reproduces walking, grooming, and feeding behaviors with 95% accuracy without machine learning.
Still unconfirmed
- The project serves as a roadmap toward human brain emulation and AI innovation.
- Google mapped the complete male fruit fly brain.
What to watch next
- Validation of the 95% accuracy claim by independent researchers
- Expansion of the emulation to include complex memory recall tasks
- Application of the emulation to model specific neurological diseases
confidence 80%Sources used for this update (11)
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Fruit Fly Studies Reveal Brain Mechanics and Short-Term Memory
Researchers at NYU Langone Health reveal new insights into how the fruit fly brain forms and maintains short-term memories. The study confirms a long-standing theory regarding the neural circuits involved in working memory. Specifically, the research identifies a split attractor network in fruit flies that explains how neural circuits stabilize short-term working memories. Meanwhile, previous mapping efforts detail an adult male fruit fly brain comprising 166,700 neurons and 125 million synapses across the brain and ventral nerve cord.
Why it matters
Detailed mapping of the insect neural architecture, aided by Google AI, provides ongoing insights for neuroscience and robotics. Building on structural maps of the male fruit fly brain, recent biological studies investigate the functional mechanisms of working memory. Understanding these biological circuits helps researchers decode how brains lock in short-term data.
What is confirmed
- A study of fruit flies by researchers at NYU Langone Health provides new insights into how the brain forms and maintains short-term memories.
- The research confirms a long-standing theory about the neural circuits involved in working memory.
Still unconfirmed
- A split attractor network in fruit flies explains how neural circuits stabilize short-term working memories.
What to watch next
- Further neurological studies testing split attractor network models in other organisms
- Additional findings from NYU Langone Health regarding working memory circuits
confidence 100%Sources used for this update (10)
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- www.daijiworld.com — Fruit fly study reveals how brain forms short-term memories - Daijiworld.com
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Complete map of fruit fly brain with 166,700 neurons finished
Researchers have completed a detailed map of an adult male fruit fly's brain, including 166,700 neurons and 125 million synapses. This map, MaleCNS, covers both the brain and ventral nerve cord, providing insights into the insect's neural architecture. The achievement was made possible with Google AI and may have applications in neuroscience and robotics.
Why it matters
The fruit fly, Drosophila melanogaster, is a widely used model organism in scientific research, particularly in genetics and developmental biology. Understanding its neural architecture can provide valuable insights into brain function and behavior. The completion of the male fruit fly brain map is a significant milestone in this field.
What is confirmed
- The map comprises 166,700 neurons and 125 million synapses.
- The map covers both the brain and ventral nerve cord of the adult male fruit fly.
- Google AI was used to help complete the map.
- The fruit fly is known as Drosophila melanogaster.
What to watch next
- Further applications of the brain map in robotics and neuroscience
- Completion of brain maps for other organisms
- Potential breakthroughs in understanding brain function and behavior
confidence 100%Sources used for this update (4)
- www.sciencetimes.com — How a Fly's 166,700 Neurons Were Mapped and Used to Create a ...
- Bioengineer.org — Fruit Fly Glial Atlas Reveals How the Brain's Support Cells ...
- en.wikipedia.org — Drosophila melanogaster - Wikipedia
- dev.to — I Gave a Fruit Fly Connectome a Body—and Let It Learn in the ...
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Complete Fruit Fly Brain Map Unveiled with AI Assistance
Researchers from Google, HHMI Janelia, and Cambridge University have completed a detailed map of an adult male fruit fly's brain, comprising 166,700 neurons and 125 million synapses. This achievement was made possible with the help of Google AI. The map, known as MaleCNS, includes both the brain and ventral nerve cord, offering valuable insights into the insect's neural architecture.
Why it matters
The fruit fly brain map is significant because it provides a comprehensive understanding of the neural connections within the insect's brain. This can help researchers better understand how brains function and process information. The map's completion also demonstrates the potential of AI in assisting complex biological research. The dataset has been made publicly available under CC BY 4.0.
What is confirmed
- The complete central nervous system connectome of an adult male fruit fly was published on September 3, 2026.
- The map catalogs 166,700 neurons and 125 million synapses.
- The dataset was licensed under CC BY 4.0.
- Google AI helped produce the first complete brain map of an adult male fruit fly.
What to watch next
- Further research on the neural architecture of other insects
- Development of more complex simulations using the brain map
- Potential applications of this technology in neuroscience and AI
confidence 100%Sources used for this update (7)
- blog.google — September 2026 AI Updates - The Keyword
- www.jetlearn.com — An AI Helped Map a Fruit Fly's Brain. Your Teenager Could Be ...
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- Bioengineer.org — Fruit Fly and Human Brain Enzymes Prove Partly ...
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Male Fruit Fly Connectome Released After 18-Year Mapping Project
Google Research and the Howard Hughes Medical Institute's Janelia Research Campus, alongside collaborators, have published the complete central nervous system connectome of an adult male fruit fly. Known as MaleCNS, the map catalogs 166,700 neurons and 125 million synapses, including both the brain and ventral nerve cord. The dataset went public on September 3, 2026, and was licensed under CC BY 4.0. Programmers have already used the map to create simulations where the fly's neural architecture drives digital games like Doom and Super Mario 64.
Why it matters
This project took 18 years to complete and represents a separate effort from the FlyWire project. By mapping the entire central nervous system, researchers can now study how sexually dimorphic behaviors emerge from differences in circuit architecture.
What is confirmed
- The MaleCNS dataset includes 166,700 neurons and 125 million synapses.
- Janelia Research Campus scientists spent 18 years mapping the male fruit fly brain.
- The connectome was published by Google Research and the Howard Hughes Medical Institute's Janelia Research Campus.
- The map includes both the brain and the ventral nerve cord in one dataset.
- Programmers used the neural map to drive gameplay in Doom and Super Mario 64.
- The MaleCNS v1.0 shipped in June 2026, with a corresponding Cell paper published in September.
Still unconfirmed
- The fly brain map was used to simulate solving a Rubik's Cube.
- Big brain-map studies can be fooled by dead-end wiring.
What to watch next
- Publication of comparative data between MaleCNS and FlyWire to identify specific dimorphic circuits.
- Peer review of the claims regarding the accuracy of digital game simulations.
confidence 95%Sources used for this update (16)
- neurotech.com — Google and HHMI Janelia Publish the Complete Fruit Fly Brain ...
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- www.neoteo.com — Fruit Fly Brain Map: What It Shows | NeoTeo
- mbiz.heraldcorp.com — Fruit fly's 130,000 neurons couldn't beat a one-line trading rule - The Herald Business
- tools.cooconsbit.com — What Is MaleCNS? The First Whole-CNS Wiring Diagram of a Male ...
- www.ganjingworld.com — Fly Brain Map: What 166,000 Neurons Can Do That No AI Model Can
- shanehewitt.ca — Scientists Mapped a Fruit Fly Brain. Then Came Doom
- www.mapzebrain.org — mapZebrain
- blenny-ruby-d34h.squarespace.com — What makes a male brain? Sexually dimorphic circuitry in the ...
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Scientists Map Male Fruit Fly Brain and Reveal Sex-Linked Wiring
Scientists have mapped every single neuron in a male fruit fly brain, cataloging 166,700 neurons and 125 million synapses. Following the publication of this complete connectome, internet users and researchers are utilizing the neural map to run simulations and play games. The detailed digital brain allows scientists and the public to observe how complex neural pathways operate within virtual environments, expanding past initial tests into broader tasks.
Why it matters
Mapping complete neural circuits provides researchers with foundational data to test how physical brain structures dictate behavior. Earlier experiments connected digital brain models to video games like Doom across thousands of trials. The newly detailed male brain map opens additional avenues for comparing wiring differences between sexes.
What is confirmed
- Scientists mapped every neuron in a fruit fly brain, totaling 166,700 neurons and 125 million synapses.
- Researchers mapped a male fruit fly brain and discovered sex-linked wiring differences tied to behavior.
Still unconfirmed
- The internet is using the fruit fly brain map to play Minecraft, Beat Saber, and trade Bitcoin.
What to watch next
- Further peer-reviewed studies detailing the specific sex-linked behavioral differences in fruit flies
- Additional public simulations using the 166,700-neuron connectome in software environments
confidence 100%Sources used for this update (10)
- redstate.com — Scientists Map the Male Fruit Fly Brain. The Sex Differences Are Hard to Miss.
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- interconnected.org — A new prayer for the fruit fly connectome (Interconnected)
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Google-mapped fruit fly brain simulates video game play
Internet users and scientists are using a Google-published map of 166,000 fruit fly neurons to run complex simulations. Researchers connected this 3D digital brain to the video game Doom to test neural circuits over 6,385 trials. Other simulations have involved tasks such as dancing and parking. These experiments utilize the complete connectome of an adult male fruit fly to observe how mapped neural paths function in virtual environments.
Why it matters
This digital diagram complements a previous map of a female fruit fly. By tracing every nerve cell in the central nervous system, scientists aim to better understand human brain functions.
What is confirmed
- Google published a complete map of a fruit fly brain containing 166,000 neurons.
- A 3D simulated fruit fly brain was connected to the video game Doom for 6,385 trials.
What to watch next
- Results from the 6,385 Doom trial simulations
- Further applications of the connectome in human brain function research
confidence 100%Sources used for this update (2)
- www.inquirer.com — Is there anything a fruit fly brain can’t do?
- www.infomance.com — A Digital Fruit Fly Brain Is Playing Doom After Scientists Map 166,000 Neurons
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Scientists complete second fruit fly brain map with adult male connectome
Researchers have released a complete connectome of an adult male fruit fly, providing a 3D digital diagram of every nerve cell in its central nervous system. This map complements an existing map of an adult female fruit fly. These tools enable scientists to trace exact neural paths to better understand human brain functions. The dataset has already been used in open-source simulations for tasks ranging from Bitcoin trading to playing video games.
Why it matters
Mapping the connectome allows researchers to visualize the physical wiring of a brain. By comparing male and female maps, scientists can identify sex-based neural differences. These findings serve as a model for unlocking secrets of the human organ.
What is confirmed
- The adult male fruit fly connectome shows every nerve cell in its central nervous system.
- A map of an adult female fruit fly brain was previously completed.
- Digital 3D diagrams allow scientists to trace precise neural paths.
What to watch next
- Comparative studies between the male and female connectomes
- Application of the male map to new neural simulations
confidence 100%Sources used for this update (2)
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- www.smithsonianmag.com — This New Brain Map Shows Every Nerve Cell in an Adult Male Fruit Fly’s Central Nervous System. Here’s Why That Matters
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Google fruit fly brain map powers gaming and trading simulations
Google mapped the brain and central nervous system of an adult male fruit fly, reconstructing over 166,000 neurons. Developers now use this open-source neural data to power simulations that play video games, solve Rubik's Cubes, and parallel park cars. One simulation has played the game Doom over 6,000 times without winning. Additionally, a Coinbase software engineer connected a simulated fly brain to a Bitcoin trading system to combine neuroscience with algorithmic trading. These applications have turned the scientific dataset into a subject of viral memes.
Why it matters
The project originally aimed to advance neuroscience research by providing a complete 3D wiring diagram of an insect. By converting biological structures into digital models, researchers can test how neural connections drive behavior. This allows for the creation of AI that mimics biological decision-making processes.
What is confirmed
- Google reconstructed more than 166,000 individual neurons from the brain and central nervous system of an adult male fruit fly.
- Developers have connected the open-source neural data to video games and trading bots.
Still unconfirmed
- A Coinbase software engineer connected a simulated fruit fly brain to a Bitcoin trading system.
What to watch next
- Evidence of the simulated brain achieving a win in Doom
- Peer-reviewed results from the Bitcoin trading experiment
- Application of the map to other insect species
confidence 90%Sources used for this update (4)
- www.tweaktown.com — Google's mapped fruit fly brain has played Doom more than 6,000 times and still hasn't beaten it
- tokenpost.com — Coinbase Engineer Turns Fly Brain Into Bitcoin Trader
- www.nytimes.com — A Simulated Fruit Fly Did Not Write This Article
- www.yahoo.com — What's With All These 'Fly Brain Simulations'? The Viral Jokes And Memes About A Fruit Fly's Brain Being Mapped Explained
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Engineers Train Mapped Fruit Fly Brain to Play Doom and Trade Bitcoin
Engineers are utilizing a complete 3D wiring diagram of an adult male fruit fly brain and central nervous system to power digital simulations. The AI-powered dataset, containing over 166,000 neurons, has allowed developers to train a simulated fly brain to play video games such as Doom, Mario 64, Beat Saber, and Minecraft. Additionally, creators have connected the disembodied brain model to a trading platform to execute financial transactions with real cryptocurrency. Scientists originally released the comprehensive neural map to advance research in neuroscience.
Why it matters
The public release of the MaleCNS v1.0 dataset provided researchers and software developers with an unprecedented structural map of an insect nervous system. While neuroscientists initially celebrated the atlas for its biological implications, technology creators quickly repurposed the data to test artificial intelligence in interactive environments. These unconventional applications bridge biological neural mapping with computer science and automated systems.
What is confirmed
- Google Research and the Howard Hughes Medical Institute released MaleCNS v1.0, containing over 166,000 neurons.
- Engineers used the dataset to train a simulated fly brain to play video games including Doom, Mario 64, and Beat Saber.
Still unconfirmed
- A project named Stonkfly uses the 166,700-neuron brain map to place real Bitcoin trades on Coinbase with $100, though no profitable results have been shown.
What to watch next
- Evidence of profitable trading results from the Stonkfly cryptocurrency project.
- Additional video game integrations or software adaptations using the MaleCNS v1.0 dataset.
confidence 100%Sources used for this update (4)
- hothardware.com — Google Mapped A Fruit Fly Brain, So Engineers Taught It To Play Doom
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- tech.yahoo.com — A Fruit Fly’s Disembodied Brain Is Now Trading Bitcoin on Coinbase
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Google Research releases MaleCNS v1.0 fruit fly connectome
Google Research and the Howard Hughes Medical Institute released MaleCNS v1.0, a complete wiring diagram of an adult male fruit fly's brain and central nervous system. The AI-powered 3D model contains over 166,000 neurons. Since its release, software engineers and developers have used the dataset to train a simulated fly brain to play video games, including Doom, Mario 64, and Beat Saber. Some creators have also placed the simulated brain in a Minecraft environment.
Why it matters
Connectomics seeks to map every neuron and connection in a brain to understand how neural pathways drive behavior. This project provides a digital blueprint that researchers use to study neuroscience and human behavior.
What is confirmed
- Google Research and the Howard Hughes Medical Institute released the MaleCNS v1.0 connectome.
- The map includes more than 166,000 neurons from an adult male fruit fly.
- Programmers have trained the simulated fly brain to play Doom and Mario 64.
Still unconfirmed
- Developers are forcing the simulated brain to navigate Minecraft and play Beat Saber.
- A creator built an open-world paradise for the digital fly brain.
What to watch next
- Peer review of the MaleCNS v1.0 dataset results
- Reports on whether simulated neural pathways correlate with actual fly behavior in games
confidence 100%Sources used for this update (5)
- tech.yahoo.com — Google maps entire brain and central nervous system of adult male fruit fly, software engineers immediately make it run Doom — AI-powered 3D model of over 166,000 neurons can ...
- finance.biggo.com — Fly Brain Wiring Diagram Turned Into Game Console Within Days of Release, Tested on "DOOM" and "Mario 64"
- gizmodo.com — Google Mapped a Fruit Fly’s Brain. Now It’s Playing Doom and Super Mario 64
- www.dexerto.com — Google’s digital fly brain gets its own heaven after going through Beat Saber hell
- www.techspot.com — Google mapped a fly's nervous system and developers are using it to play Doom
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Second Complete Fruit Fly Brain Map Completed
Researchers have completed a detailed map of every neuron and neural connection in the brain of a male fruit fly. The project maps 300 million connections, marking a major milestone in the field of connectomics. This achievement delivers the second complete connectome of its kind. Scientists are utilizing these detailed visuals to advance neuroscience research and help explain human behaviour. The effort builds on years of pursuit to map the fly brain and rewrite how neural pathways are studied.
Why it matters
Mapping complete neural circuits allows scientists to study complex behaviors and neural networks in unprecedented detail. Fruit flies share fundamental biological principles with humans, making them vital model organisms for neuroscience. The completion of this male fruit fly connectome follows prior mapping milestones in the scientific community.
What is confirmed
- Researchers have completed a detailed map of every neuron and neural connection in the brain of a male fruit fly.
- The project maps 300 million connections in the fruit fly brain.
- This achievement represents the second complete connectome of a fruit fly brain.
What to watch next
- Further research applying the male fruit fly brain map to explain human behavior
- Additional publications from Google Research and HHMI detailing the connectomics milestone
confidence 100%Sources used for this update (7)
- blog.google — 5 amazing visuals show how the male fruit fly’s brain map is advancing neuroscience
- Google Research — A connectomics milestone: Mapping the complete male fruit fly brain
- HHMI — Completing the Connectome: How Pursuing a Map of the Fly Brain Rewired Neuroscience
- BBC — How the brain of a fly may help explain human behaviour
- Ars Technica — Second complete map of a fruit fly brain completed
- www.newindianexpress.com — Scientists map 300 million connections in fruit fly brain
- www.yahoo.com — The 30 best songs of the 1950s, ranked
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